/* ============================================================
   MEM · Sistema de diseño
   Componentes compartidos por index.html, lista_cursos.html y
   estructura_curso.html. Requiere mem-shell.css (tokens + shell).
   Extraído de la hoja de estilo original de estructura_curso.html.
   ============================================================ */

body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.58 var(--font-body)}
h1,h2,h3,.brand strong{font-family:var(--font-display);font-weight:750}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
a{color:var(--blue)}
main{max-width:1180px;margin:auto;padding:28px 24px 70px}
section{margin-top:28px}
.hero{position:relative;overflow:hidden;border-radius:28px;background:linear-gradient(130deg,var(--navy),#0b4775 65%,#126697);color:#fff;padding:54px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:42px;box-shadow:var(--shadow)}
.hero:after{content:"";position:absolute;width:380px;height:380px;right:-160px;top:-210px;border:76px solid rgba(255,255,255,.07);border-radius:50%}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.15em;text-transform:uppercase;font-weight:850;color:#a9d9f4}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--amber)}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.04;letter-spacing:-.045em;margin:16px 0 18px;max-width:760px}
.hero p{font-size:18px;color:#dcebf4;max-width:730px;margin:0 0 26px}
.actions{display:flex;flex-wrap:wrap;gap:11px}
.button{border:0;border-radius:12px;padding:12px 17px;font-weight:800;text-decoration:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;justify-content:center}
.button.primary{background:var(--amber);color:var(--navy)}
.button.secondary{background:rgba(255,255,255,.11);color:#fff;border:1px solid rgba(255,255,255,.28)}
.button.blue{background:var(--blue);color:#fff}
.button.ghost{background:#fff;color:var(--blue);border:1px solid var(--line)}
.hero-route{position:relative;z-index:1;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:22px}
.hero-route h2{font-size:13px;text-transform:uppercase;letter-spacing:.1em;margin:0 0 15px;color:#b8def3}
.hero-route ol{list-style:none;padding:0;margin:0;counter-reset:route}
.hero-route li{counter-increment:route;display:flex;align-items:center;gap:11px;padding:8px 0;color:#edf7fc;font-size:14px}
.hero-route li:before{content:counter(route);flex:0 0 27px;height:27px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--blue);font-size:12px;font-weight:900}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin:0 0 18px}
.section-head h2{font-size:clamp(25px,3vw,35px);line-height:1.12;letter-spacing:-.025em;margin:4px 0 0;color:var(--navy)}
.section-head p{max-width:680px;color:var(--muted);margin:7px 0 0}
.kicker{font-size:11px;font-weight:850;letter-spacing:.14em;text-transform:uppercase;color:var(--blue2)}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:27px}
.profiles{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.profile{min-height:285px;text-align:left;border:1px solid #bfd8e8;border-radius:18px;padding:24px;background:#eef8fe;color:var(--ink);cursor:pointer;display:flex;flex-direction:column;transition:.18s ease}
.profile:nth-child(1){background:#eef9ff}
.profile:nth-child(2){background:#e6f4fc}
.profile:nth-child(3){background:#dcedf8}
.profile:nth-child(4){background:#d4e9f6}
.profile:hover{transform:translateY(-4px);border-color:#6ea9cc;box-shadow:var(--shadow)}
.profile .tag,.profile.hybrid .tag,.profile.example .tag{align-self:flex-start;padding:5px 9px;border-radius:20px;background:#c8e8f8;color:#0a527f;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:900}
.profile:nth-child(2) .tag{background:#bddff2}
.profile:nth-child(3) .tag{background:#b4d8ec}
.profile:nth-child(4) .tag{background:#a9d1e8}
.profile.example{border-style:dashed}
.profile h3{font-size:22px;line-height:1.2;color:var(--navy);margin:18px 0 8px}
.profile p{color:#49697c;font-size:14px;margin:0 0 18px;flex:1}
.hours{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;border-top:1px solid rgba(12,79,131,.18);padding-top:15px}
.hours span{font-size:11px;color:#567284}
.hours b{display:block;color:var(--navy);font-size:16px}
.profile .go{display:block;margin-top:16px;color:var(--blue);font-size:13px;font-weight:850}
.institutional-note{margin-top:15px;padding:13px 15px;background:var(--sky);border-radius:12px;color:var(--muted);font-size:13px}
.institutional-note strong{color:var(--navy)}
.workflow{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;counter-reset:flow}
.flow-card{counter-increment:flow;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;position:relative}
.flow-card:before{content:"0" counter(flow);display:block;color:var(--blue2);font-size:12px;font-weight:900;letter-spacing:.1em;margin-bottom:20px}
.flow-card h3{margin:0 0 7px;color:var(--navy);font-size:17px}
.flow-card p{font-size:13.5px;color:var(--muted);margin:0}
.flow-card .product{display:block;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:12px;color:var(--green);font-weight:800}
.alignment{display:grid;grid-template-columns:.75fr 1.25fr;gap:24px;align-items:start}
.alignment h2{font-size:31px;line-height:1.14;color:var(--navy);margin:6px 0 12px}
.alignment p{color:var(--muted)}
.rule{border-left:4px solid var(--amber);padding:12px 0 12px 16px;color:var(--navy);font-weight:750}
.mini-matrix{overflow:auto;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:13px}
caption{text-align:left;padding:12px 15px;background:var(--sky);font-weight:850;color:var(--navy)}
th{background:var(--navy);color:#fff;text-align:left;padding:11px 13px;font-size:12px}
td{padding:12px 13px;border-top:1px solid var(--line);vertical-align:top}
tr:nth-child(even) td{background:#fbfcfd}
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.principle{border-radius:15px;padding:18px;background:var(--sky);min-height:155px}
.principle:nth-child(2){background:var(--mint)}
.principle:nth-child(3){background:var(--amber-soft)}
.principle:nth-child(4){background:#e9e8f8}
.principle strong{display:block;color:var(--navy);margin-bottom:7px}
.principle span{font-size:13px;color:var(--muted)}
.view{display:none}
.view.on{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}
to{opacity:1;transform:none}
}
.guide-head{border-radius:25px;background:linear-gradient(125deg,var(--navy),var(--blue));color:#fff;padding:38px;position:relative;overflow:hidden}
.guide-head .back{border:0;background:rgba(255,255,255,.12);color:#fff;padding:8px 11px;border-radius:9px;cursor:pointer;font-weight:750}
.guide-head h1{font-size:clamp(30px,4vw,45px);line-height:1.08;letter-spacing:-.035em;margin:26px 0 10px;max-width:820px}
.guide-head p{color:#d8eaf4;max-width:820px;margin:0}
.statline{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:24px;max-width:850px}
.stat{border-radius:12px;padding:12px 14px;background:rgba(255,255,255,.1);font-size:12px;color:#cce3ef}
.stat b{display:block;color:#fff;font-size:20px}
.fixed-label{font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.12em;color:#97cee9}
.guide-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px;margin-top:22px;align-items:start}
.guide-nav{position:sticky;top:94px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px}
.guide-nav strong{display:block;padding:8px 10px 5px;color:var(--navy);font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.guide-nav a{display:block;text-decoration:none;color:var(--muted);font-size:13px;padding:8px 10px;border-radius:8px}
.guide-nav a:hover{background:var(--sky);color:var(--blue)}
.guide-content{min-width:0}
.guide-card{scroll-margin-top:92px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:26px;margin-bottom:17px;box-shadow:0 7px 22px rgba(8,44,76,.05)}
.guide-card h2{font-size:23px;line-height:1.2;color:var(--navy);margin:0 0 8px}
.guide-card h3{font-size:16px;color:var(--navy);margin:20px 0 7px}
.guide-card p{color:var(--muted);margin:6px 0 13px}
.step-label{color:var(--blue2);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}
.decision{border-radius:13px;background:var(--amber-soft);padding:14px 16px;color:#624814;font-size:13.5px;margin:15px 0}
.decision strong{color:#4c360e}
.output{display:flex;align-items:flex-start;gap:10px;background:var(--mint);border-radius:12px;padding:13px 15px;color:#245c4d;font-size:13px;margin-top:15px}
.output:before{content:"✓";font-weight:950;color:var(--green)}
.prompt-box{background:var(--navy);color:#fff;border-radius:14px;padding:18px;margin-top:15px}
.prompt-box small{display:block;color:#9ed0e9;font-weight:850;text-transform:uppercase;letter-spacing:.1em;margin-bottom:6px}
.prompt-box p{color:#fff;margin:0;font-size:14px}
.formula{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:15px}
.formula div{position:relative;padding:13px;background:var(--sky);border-radius:11px;font-size:12px;color:var(--muted)}
.formula b{display:block;color:var(--blue);margin-bottom:3px}
.formula div:not(:last-child):after{content:"→";position:absolute;right:-8px;top:50%;z-index:2;color:var(--blue);font-weight:900}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.mode-box{border:1px solid var(--line);border-radius:13px;padding:16px}
.mode-box h3{margin:0 0 7px}
.mode-box ul,.plain-list{margin:8px 0;padding-left:20px;color:var(--muted);font-size:13.5px}
.mode-box li,.plain-list li{margin:5px 0}
.rhythm{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:15px}
.rhythm div{background:var(--sky);border-radius:13px;padding:16px}
.rhythm b{display:block;color:var(--navy);margin-bottom:5px}
.rhythm span{font-size:13px;color:var(--muted)}
.bar-group{margin:17px 0}
.bar-label{display:flex;justify-content:space-between;gap:15px;font-size:12px;font-weight:750;margin:10px 0 5px;color:var(--navy)}
.track{height:22px;background:#e4edf2;border-radius:20px;overflow:hidden;display:flex}
.segment{height:100%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:10px;font-weight:850;min-width:34px}
.sync{background:var(--blue)}
.async{background:var(--blue2)}
.independent{background:#83a5b8}
details{border-top:1px solid var(--line);padding:13px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;color:var(--navy);font-weight:800}
details p{font-size:13.5px;padding-left:18px}
.example-note{font-size:12px;color:var(--muted);background:#f7f9fa;padding:10px 13px;border-radius:10px;margin-bottom:12px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:13px;margin-top:12px}
.table-wrap table{min-width:670px}
.pill{display:inline-block;padding:3px 8px;border-radius:15px;background:var(--sky);color:var(--blue);font-size:11px;font-weight:800}
.checklist{display:grid;gap:8px;margin-top:15px}
.check{display:flex;align-items:flex-start;gap:10px;padding:11px 12px;border:1px solid var(--line);border-radius:11px;font-size:13.5px;cursor:pointer}
.check:hover{background:var(--sky)}
.check input{margin-top:4px;accent-color:var(--green);width:17px;height:17px}
.progress-head{display:flex;justify-content:space-between;gap:16px;align-items:center}
.progress-track{height:10px;background:#e5edf1;border-radius:10px;overflow:hidden;margin:12px 0 4px}
.progress-value{height:100%;width:0;background:var(--green);transition:width .2s}
.progress-text{font-size:12px;color:var(--muted)}
.reset{border:0;background:transparent;color:var(--blue);font-size:12px;text-decoration:underline;cursor:pointer}
.warning{border-left:4px solid var(--amber);background:var(--amber-soft);padding:12px 15px;border-radius:0 10px 10px 0;font-size:13px;color:#684e1a}
.design-questions{background:#f7f9fa;border:1px solid var(--line);border-radius:13px;padding:15px 17px;margin:15px 0}
.design-questions b{color:var(--navy)}
.design-questions ul{margin:8px 0 0;padding-left:20px;color:var(--muted);font-size:13.5px}
.detail-body{padding:4px 0 2px 18px}
.detail-body p{padding-left:0}
.example-card{background:var(--sky);border-left:4px solid var(--blue2);border-radius:0 11px 11px 0;padding:13px 15px;margin:10px 0 4px;font-size:13px;color:var(--ink)}
.example-card b{display:block;color:var(--blue);font-size:11px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px}
.example-card em{color:var(--muted)}
.decision{color:#28536b}
.decision strong{color:var(--navy)}
.warning{color:#28536b}
.reveal-section{display:none}
.reveal-section.is-open{display:block;animation:fade .25s ease}
.button[aria-expanded="true"]{box-shadow:inset 0 0 0 2px rgba(255,255,255,.38)}
.sources{font-size:13px;color:var(--muted)}
.sources ul{columns:2;gap:35px;padding-left:20px}
.sources li{break-inside:avoid;margin:8px 0}
@media(max-width:920px){.hero{grid-template-columns:1fr;padding:38px}
.hero-route{display:none}
.profiles,.workflow{grid-template-columns:1fr 1fr}
.principles{grid-template-columns:1fr 1fr}
.alignment{grid-template-columns:1fr}
.guide-layout{display:block;width:100%;min-width:0}
.guide-nav{position:static;display:flex;overflow-x:auto;width:100%;min-width:0;max-width:100%}
.guide-nav strong{display:none}
.guide-nav a{white-space:nowrap;flex:0 0 auto}
}
@media(max-width:640px){html,body{width:100%;max-width:100%;overflow-x:hidden}
main{width:100%;max-width:100vw;padding:18px 14px 50px;overflow-x:hidden}
.topbar{padding:7px 14px}
.brand-logo{width:44px;height:44px;flex-basis:44px}
.brand small{display:none}
.brand strong{font-size:13px}
nav a{display:none}
.hero{padding:30px 23px;border-radius:20px}
.hero p{font-size:16px}
.profiles,.workflow,.principles,.two-col,.formula,.rhythm{grid-template-columns:minmax(0,1fr)}
.formula div:not(:last-child):after{content:"↓";right:14px;top:auto;bottom:-11px}
.section-head{display:block}
.panel,.guide-card{padding:20px}
.statline{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;min-width:0}
.stat{min-width:0}
.guide-head,.guide-layout,.guide-card{width:calc(100vw - 28px);max-width:calc(100vw - 28px);min-width:0}
.guide-head{padding:26px 21px}
.guide-head h1,.guide-card h2{overflow-wrap:anywhere}
.hours{grid-template-columns:repeat(3,minmax(0,1fr))}
.sources ul{columns:1}
.footer-inner{display:block}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*:before,*:after{animation:none!important;transition:none!important}
}
@media print{header,.actions,.guide-nav,.back,.reset,.profile .go{display:none!important}
body{background:#fff;font-size:11pt}
.view,.view.on{display:block}
.home.hidden{display:none}
main{max-width:none;padding:0}
.guide-layout{display:block}
.guide-card,.guide-head,.panel{break-inside:avoid;box-shadow:none}
.guide-head{background:#fff;color:#000;border:1px solid #999}
.guide-head p,.stat{color:#333}
.stat b{color:#000}
}